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06-09-2016
Mathematics

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use rouding or compatible numbers to estimate the sum 790 112

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firstinclass firstinclass

06-09-2016

790 is 10 pts before 800
112 is around 10 pts away from 100
The 10s cancel each other
So 800+100= approx 900
Thats rounded
The calculator would say 902, pretty close!

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